21987801

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{733}}^1$

素因数の和:854

約数の個数: 32

約数和(自身を含む): 35936640

約数和(自身を除く): 13948839

約数列:

[1, 3, 9, 11, 27, 33, 99, 101, 297, 303, 733, 909, 1111, 2199, 2727, 3333, 6597, 8063, 9999, 19791, 24189, 29997, 72567, 74033, 217701, 222099, 666297, 814363, 1998891, 2443089, 7329267, 21987801]

約数ペア:

[(1, 21987801), (3, 7329267), (9, 2443089), (11, 1998891), (27, 814363), (33, 666297), (99, 222099), (101, 217701), (297, 74033), (303, 72567), (733, 29997), (909, 24189), (1111, 19791), (2199, 9999), (2727, 8063), (3333, 6597)]